There are
1,702 mi
from Missoula, MT to Terrell, TX
That's the driving distance. It would take 1 day 5 hours to go from Missoula, Montana to Terrell, Texas.
The flight distance (direct flight from Missoula, MT to Terrell, TX) is 1,350.14 mi.
1,702 mi = 1.61 kms